<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div id="app">
        <hello1></hello1>
    </div>
</body>
<script src="node_modules/vue/dist/vue.js"></script>
<script>

    const hello = {
        template: "<div>打个招呼：我是{{name}}</div>",
        data(){
            return {
                name: "张学友"
            }
        }
    }
    const app = new Vue({
        el: "#app",
        data: {
            num: 0
        },
        components: {
            hello1: hello
        }
    })

</script>
</html>